228144767 has 2 divisors, whose sum is σ = 228144768. Its totient is φ = 228144766.

The previous prime is 228144727. The next prime is 228144781. The reversal of 228144767 is 767441822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228144767 - 2⁶ = 228144703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228144727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114072383 + 114072384.

It is an arithmetic number, because the mean of its divisors is an integer number (114072384).

Almost surely, 2^228144767 is an apocalyptic number.

228144767 is a deficient number, since it is larger than the sum of its proper divisors (1).

228144767 is an equidigital number, since it uses as much as digits as its factorization.

228144767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The square root of 228144767 is about 15104.4618242425. The cubic root of 228144767 is about 611.0407450575.

The spelling of 228144767 in words is "two hundred twenty-eight million, one hundred forty-four thousand, seven hundred sixty-seven".